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Finding the Fourth Proportional to 607,090.80, 910,635.30 and 180,624.72

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Solution

The fourth proportional to 607,090.80, 910,635.30 and 180,624.72 is: 270,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,090.80 : 910,635.30 = 180,624.72 : x
  2. Step 2: Convert to fraction form
    607,090.80/910,635.30 = 180,624.72/x
  3. Step 3: Cross multiply
    607,090.80x = 910,635.30 × 180,624.72
  4. Step 4: Simplify right side
    607,090.80x = 164,483,246,084.62
  5. Step 5: Solve for x
    x = 164,483,246,084.62/607,090.80
  6. Step 6: Final answer
    x = 270,936.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.